WaterLogic WL3FW FIREWALL Manual page 53

Hot Water Coming out of Faucet Vent Hole
Possible Reason
Improper tubing attachment from
the tank to faucet or vice versa.
Hot Tank outlet hole is scaled over.
Expansion chamber is not sealed
properly.
Restricted Flow of Hot Water
Possible Reason
Partially closed water supply valve to
the unit.
Hot Tank outlet hole is scaled over.
Tubing is creased or has a "kink" in it. Inspect and replace tubing as necessary.
Faucet nipple screen mesh has
obstruction(s)
Exhausted Filter
Solenoid connection to the Display
PCB
Solenoid Valve is Malfunctioning
WL3 FW Manual
Verify tubing is connected properly from tank outlets to
correct faucet attachments.
Inspect and Descale Tank as needed.
See Hot Tank Descaling Instructions that are included
further below in this Troubleshooting Section.
Replace the Hot Tank.
Open water supply valve.
Descale Tank.
See Hot Tank Descaling Instructions that are included
further below in this Troubleshooting Section.
See instructional video on the Partner Area of the
Waterlogic.com website for more information.
See instructional video on the Partner Area of the
Waterlogic.com website for more information.
Unscrew faucet nipple from faucet and remove any
obstruction(s) from screen mesh.
Replace the Filter
Turn power off; unplug the WL3FW Water Treatment
System and visually inspect solenoid connections into the
Display PCB. Verify the soldering points on connections are
secure into the board.
Remove the PCB to inspect the front of the board.
Inspect valve components for proper function. Replace as
necessary.
Solution
Solution
Page 49 - Revision: EU 17-09-2020